<html>
	<head>
		<title>
			Get XML
		</title>
		<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
		<script type="text/javascript">
			var xmlhttp;
			function loadXMLDoc(url)
			{
			xmlhttp=null;
			if (window.XMLHttpRequest)
			  {// code for IE7, Firefox, Opera, etc.
			  xmlhttp=new XMLHttpRequest();
			  }
			else if (window.ActiveXObject)
			  {// code for IE6, IE5
			  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
			  }
			if (xmlhttp!=null)
			  {
			  xmlhttp.onreadystatechange=state_Change;
			  xmlhttp.open("GET",url,true);
			  xmlhttp.send(null);
			  }
			else
			  {
			  alert("Your browser does not support XMLHTTP.");
			  }
			}

			function state_Change()
			{
			if (xmlhttp.readyState==4)
			  {// 4 = "loaded"
			  if (xmlhttp.status==200)
			    {// 200 = "OK"
			    document.getElementById('A1').innerHTML=xmlhttp.status;
			    document.getElementById('A2').innerHTML=xmlhttp.statusText;
			    document.getElementById('A3').innerHTML=xmlhttp.responseText;
			    }
			  else
			    {
			    alert("Problem retrieving XML data:" + xmlhttp.statusText);
			    }
			  }
			}
		</script>
	</head>
	<body>
		<h1>使用HttpRequest对象</h1>
		<p><b>Status:</b></p>
		<span id="A1"></span>

		<p><b>Status text:</b></p>
		<span id="A2"></span>

		<p><b>Response:</b></p>
		<span id="A3"></span><br />

		<button onclick="loadXMLDoc('index.xml')">Get XML</button>
	</body>
</html>